Home / 57,039.30-85,575.33-28,958.22

Finding the Fourth Proportional to 57,039.30, 85,575.33 and 28,958.22

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Solution

The fourth proportional to 57,039.30, 85,575.33 and 28,958.22 is: 43,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039.30 : 85,575.33 = 28,958.22 : x
  2. Step 2: Convert to fraction form
    57,039.30/85,575.33 = 28,958.22/x
  3. Step 3: Cross multiply
    57,039.30x = 85,575.33 × 28,958.22
  4. Step 4: Simplify right side
    57,039.30x = 2,478,109,232.71
  5. Step 5: Solve for x
    x = 2,478,109,232.71/57,039.30
  6. Step 6: Final answer
    x = 43,445.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.